# prompt = "\nPlease enter the name of a city you hava visited:"
# prompt += "\n(Enter 'quit' when you are finished.)"

# while True:
#     city = input(prompt)

#     if city == 'quit':
#         break
#     else:
#         print(city)

for i in range(10):
    for j in range(20):
        if j == 5:
            break
        else:
            print(f"{i} - {j}")
